Exam 2 Sample Problems - Arrange the following two sets of...

Arrange the following two sets of compounds in order of decreasingmelting point NaCl, MgS, AlP Sorry no answer. remember charge and size. 17) An atom of 14N3-contains a.10 electrons, 7 protons, 7 neutronsb.7 electrons, 4 protons, 10 neutrons c.4 electrons, 7 protons, 7 neutrons d.14 electrons, 11 protons, 7 neutrons e.2. Consider the following molecule:H-O-C ≡C-O-H a) Which bonds in the molecule are polar, and which are non polar? Explain. b) Which bond is most polar?Explain. c) Indicate, using for partial charges and arrows for the dipole moments, the polarity of each bond.7. What is the formal unit (empirical formula) of the following ionic compound? Justify your answer. 9) In the following pairs which atom or ion is LARGER (Ne or Xe) (Ni or Ni2+) (O or O2-) ( P or O) from an old exam.....

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